Dump car



7 May 6, 1930. w. BURNER 1,757,038

DUMP CAR Filed June 5, 1926 2 Sheets-Sheet l W \l'vlTNissEfi IoZ'IJNVENTOR W. L. BURNER May 6, 1930.

DUMP CAR Filed June 5, 1926 2 Sheets-Sheet INVENTOR WITNESSES permittingPatented May 6, 1930 UNITED STATES PATENT OFFlCE' v WILLIAM L. BURNER,OF KOPPEL, PENNSYLVANIA, ASSIQNOR, BY MESNE ASSIGN- MENTS, TO PRESSEDSTE EL CAR. COMPANY, OF PITTSBURGH, PENNSYLVANIA, A.

CORPORATION OF NEW Application filed June 5,

This invention relates to railway 1 dump cars of the tilting body type.having outwardly swinging sides or side doors for discharging ladingsubstantially clear of'the track rails, and has for an object theprovision of means for permitting the side or door .at one side of thecar to open outwardly by gravity when the body is tilted in the dire'tion of this door, and to close the door when the body is being rightedand further, to maintain the door in its closed position when the bodyis tilted in the opposite direction.

Another object of the invention is to provide the tilting body of a dumpcar, hav ng a side wall or door at each side hinged at or near its loweredge andadapted to swing outwardly to open position, with means for ithe door or side wall on the lowering side of the body to move bygravity to its open position, while a similar means at the oppositeorrrising side of the car W11]. maintain the door or side wall on thisrising side of the car closed.

These and other objects will be apparent from the following description.

Referring to the drawings in which like reference characters refer tolike parts, Fig. 1 is an end elevational view of a car embodying theinvention, the body be ng shown in its righted position and Fig. 2 is alike view showing the body tilted to one side to its dumping position.

Referring now in detail to the drawings the reference character 1indicates a dump car body which may be of any suitable construction andwhich is tiltably'mounted on an underframe 2 which may also be'of anysuitable construction. In the resent embodiment of the invention the bey is tiltable toward one side or the other, but it will be understoodthat the invention-may be embodied in a car in which the body istiltahle toward one side only. The body 1 prefer; ably comprises a fioor3, ends 4 and side walls or side doors 5 which sidewalls ordoors arehinged at or near their lower edges to the floor supporting framing ofthe body. These doors are adapted to swing outwardly and downwardly andwhen in Open position each DUMP can 1926. Serial No. 118,847.

provided with an outwardly curved surface 7, such surface being joinedwith a substantially flat surface 8 on the underside of the member 6. Tothis member 6 there is pivotally connected one, end portion of a member9, the other end portion of such member being pivotally connected withthe underframe. Each one of the doors is provided at both of its endswith downwardly depending arms 10,- each of which has mounted thereon aroller 11 which is ada ted tolcontact with the surfaces 7 and 8 o themember 6. When the body-is in it's righted position the rollers 11 arein engagement with the lower end portions of the surfaces 7 of themembers 6 and thus hold the doors or sides in their closed or loadretaining positions.

Assuming that the car body is being tilted to the left side from itsrighted position as} shown in Fig. 1 toward its tilted position as shownin Fig. 2, the operations of the mech-' anisms are as follows :As thebody tilts toward the left. the links 9, on the left hand side of thebody and at both ends of the door on this side of the body, willpreventlthe members 6 to which they are connected from moving downwardlymore'than a predetermined distance with the body. It will here be notedthat in the car illustratedin the drawings the body tilts and movessidewise and that the members 6 will move sidewise with the body and atthe same time will move a short distance downwardly. The door on theleft-hand side of the body moves downwardly with the body and when thebody.

has moved a short distance relative to the members 6 the rollers 11 onthearms 10 which have been in engagement with the surfaces 7 will engagethe surfaces 8, thus-permittin the top of the door to move outwardly andownwardly by gravity, until the body has been fully tilted. As theopposite side of the body rises in the tilting movement, the links 9.maintain the members 6 on this side of the body in their proper ositionsso that- 11, being in engagement with the surface 8' of the members 6 atthe lefthand side of the car and these members being held down by thelinks 9, will cause the door to move to its closed postion, andas thebody reaches its righted position the rollers 11 will engage thesurfaces 7 causing the door to be locked against outward movement untilthe body is again tiltedin the direction. As the opposite side of thebody descends the rollers 11' on the arms 10 of the door on this side ofthe body remain in contact with the surfaces 7 of the members 6, thusthis door is kept in its closed position duringthe tilting andrighting'of thebody as just described. It will be understood that whenthe body is tilted toward the right hand side of the car the operationsof the mechanisms are the-reverse of those just described.

,Having thus described the invention what I claim as new and desire tosecure by Letters Patent is 1. Ina dump car, an underframe, a bodytiltably mounted on said under-frame, a door hinged adjacent its loweredges to said body, said door in its closed position forming a side wallfor said body, a downwardly depending arm on said door, a memberpivotally mounted on the end wall of said body having snrfaces withwhich said arm cooperates to control the opening movement of said doorwhen the body'is being tilted and; to close said door when said body isbeing riqhted, and means for maintaining said member in its properposition relative to said body.

2. In a dump car, an underfra'me, a body tiltably mounted on said'unde'rframe, a door hinged to said body, said door in its closedposition'forming a side wall for said body, a member pi'votally mountedon the end wall of said body, adapted to be engaged by said door tocontrol said door throng-limit its opening and closing movement whensaid body is being tilted and righted and ma'i'ir tain said door inclosed position when the body is' elevated. I 2

3. In a dum car, anunderframo, a body tiltably mounted on saidunderframe, a door hinged to said body and'forming a side wall,therefor, member pivotally cbnnected with the end wall" of said body,said? member having a curved end sur fa ce, and an arm on said dooradapted to engage said surface to. hold dumping body to said door closedwhen said body is in its righted position.

4. In a dump car, an underframe, a body tiltably mounted on saidunderframe, a door hinged to said body, a roller on said door below saidhinge, a member pivotally connected with said body and having a surfaceadapted to be engaged by said roller to maintain said door in its closedposition, and a surface on said member adapted to be engaged by saidroller to control the opening movement of said door when the'body isbeing tilted.

5. In a dump car, an undert'rame a-b0dy tiltably mounted on saidunderframe, a hinged door for said body adapted to swing outwardly bygravity toward its open position when said body is being tilted andmeans for controlling the opening movement of said ddor, said meanscomprising. a member loose- 1y mounted on the end of said body, meansfor-maintainingsaid member in operative position and means on said doorfor loosely engaging said member.

6. In a dump car, an under-frame, a body tiltably mounted on saidunderframe, a hinged door for said body adapted to swing outwardly bygravity toward its-open position when said body is being tilted, anextension on said door, a shaped member mounted on the end of said bodyengaged by said extension, and means for maintaining said member in itsoperative position, said extension-being adapted to follow a portion ofthe contour of saidmember to control the opening movement of said door.-

7. In a dump car, anunderframe, a dump body mountedon said underframe,side doors for saidbody hinged adjacent their lower edges to said bodyand adapted to open outwardlyby gravity as the car body is tilted,downward depending members on said doors engaging door operating armspivotally mounted on said body, and a member mountt ed on saidunderframe engaging each door operating arm lntermedlate the point of'en gagement with the door and attachment to. I

the car bodyto causesaid arm to rotate inthe opposite direction to therotating righting body to force said open door closed.- I

8. In a dump car,an' underframe, a body tiltably mounted onlsajidunderframe, a side door hinged adjacent its loweredge to said car body,a downward depending member on said door,- a rotatahly mountedm'emb'efipn the end of said bod having rolling-contact with said doormemer, and @memberpivot.

ally mounted on said underframeand secured to said body member causingsaid body memher to rotateduring the movement of said positively foicesai open door closed.

In testi-monylwhereof TI affix my signature? -WILLIAM L; BURNER;

the opening and rad

